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#!/usr/bin/env python
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
from time import strftime, gmtime
class Display:
""" Display formatting for QPID Management CLI """
def __init__ (self):
self.tableSpacing = 2
self.tablePrefix = " "
self.timestampFormat = "%X"
def table (self, title, heads, rows):
""" Print a formatted table with autosized columns """
print title
if len (rows) == 0:
return
colWidth = []
col = 0
line = self.tablePrefix
for head in heads:
width = len (head)
for row in rows:
cellWidth = len (str (row[col]))
if cellWidth > width:
width = cellWidth
colWidth.append (width + self.tableSpacing)
line = line + head
if col < len (heads) - 1:
for i in range (colWidth[col] - len (head)):
line = line + " "
col = col + 1
print line
line = self.tablePrefix
for width in colWidth:
for i in range (width):
line = line + "="
print line
for row in rows:
line = self.tablePrefix
col = 0
for width in colWidth:
line = line + str (row[col])
if col < len (heads) - 1:
for i in range (width - len (str (row[col]))):
line = line + " "
col = col + 1
print line
def do_setTimeFormat (self, fmt):
""" Select timestamp format """
if fmt == "long":
self.timestampFormat = "%c"
elif fmt == "short":
self.timestampFormat = "%X"
def timestamp (self, nsec):
""" Format a nanosecond-since-the-epoch timestamp for printing """
return strftime (self.timestampFormat, gmtime (nsec / 1000000000))
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